1)
, 2) 
3)
, 4) 
5)
, 6) 
7)
, 8) 
9)
, 10) 
11)
12) 
Step-by-step explanation:
We need to solve each equation.
1) 
Solving:
Adding like terms:

Divide both sides by 11

2) 
Solving:
Adding like terms:

Divide by -8

3) 
Solving:
Adding like terms:

Subtract 9 on both sides:


Divide both sides by 4

4) 
Solving:

Divide both side by -7

5) 
Solving:
12r-1=11
Adding 1 on both sides

Divide both sides by 12

6) 
Solving:

7) 
Solving

8) 
Solving:

9) 
Solving:

10) 
Solving:

11) 
Solving:

12) 
Solving:

Keywords: Solving Polynomials
Learn more about solving Polynomials at:
#learnwithBrainly
This answer would be A hope this helps
Answer:
7
Step-by-step explanation:
2 x (2) + 3
= 4 + 3
= 7
The part D is the correct one...